Fixed "1680x900" to "1600x900" typo in RPi4 FPS Benchmarks

Author: SpottyMatt

README.md

@@ -397,9 +397,9 @@ _Note:_ These were all done with "Fast Note Rendering" enabled. Framerate was un
 | 1280 x 720        | 1024         | No           | 57        | 16:9         |
 | 1280 x 720        | 512          | Yes          | 58        | 16:9         |
 | 1280 x 720        | 1024         | Yes          | 57        | 16:9         |
-| 1680 x 900        | 1024         | No           | 48        | 16:9         |
-| 1680 x 900        | 1024         | Yes          | 56        | 16:9         |
-| 1680 x 900        | 2048         | Yes          | 56        | 16:9         |
+| 1600 x 900        | 1024         | No           | 48        | 16:9         |
+| 1600 x 900        | 1024         | Yes          | 56        | 16:9         |
+| 1600 x 900        | 2048         | Yes          | 56        | 16:9         |
 | 1680 x 1050       | 1024         | No           | 40        | 16:10        |
 | 1680 x 1050       | 512          | Yes          | 47        | 16:10        |
 | 1680 x 1050       | 1024         | Yes          | 47        | 16:10        |